# EmailEngine vs Nylas Email API (slim)

> Nylas Email API scores 78.7 (A) on agent readiness against EmailEngine's 71.4 (BB), and leads in 5 of 7 scored categories. Both do mailbox read. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/emailengine-vs-nylas-email.md (~2,050 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/emailengine-vs-nylas-email.json · canonical https://www.anchorterminal.com/compare/emailengine-vs-nylas-email
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Nylas Email API scores 78.7 (A) on agent readiness against EmailEngine's 71.4 (BB), and leads in 5 of 7 scored categories. Both do mailbox read.

- EmailEngine: BB 71.4, rank #106 of 629 · https://www.anchorterminal.com/tools/emailengine.min.md
- Nylas Email API: A 78.7, rank #12 of 629 · https://www.anchorterminal.com/tools/nylas-email.min.md
- EmailEngine, good for A team that must keep mailbox access on its own infrastructure, has many mailboxes across Gmail, Microsoft 365 and IMAP, and can run a server and Redis.
- Nylas Email API, good for Products that act in their users' own mailboxes across several providers and want one schema, webhooks and OAuth handled. Ahead on Security & auth, 87 against 71; Maintenance & community, 88 against 81; Transparency & trust, 81 against 72. Also A hosted endpoint, with nothing to install; Free to start without a card; No incidents deducted, where EmailEngine loses 3 points for them.

| Category | EmailEngine | Nylas Email API |
| --- | --- | --- |
| Reliability (16%) | 79 | 77 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 91 | 93 |
| Agent ergonomics (13%) | 80 | 81 |
| Security & auth (14%) | 71 | 87 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 81 | 88 |
| Transparency & trust (7%) | 72 | 81 |

| Fact (where they differ) | EmailEngine | Nylas Email API |
| --- | --- | --- |
| Vendor | Postal Systems OÜ | Nylas |
| Hosted endpoint | no (local only) | `https://api.us.nylas.com/v3` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | API key | OAuth or key |
| Pricing | Paid | Freemium |
| Licence | Source available under the EmailEngine licence agreement, version 2.1 of 17 October 2023. Not open source. The PHP SDK is MIT | Proprietary service under Nylas's terms. The SDKs are MIT |
| Tools exposed | none | 38 |
| Last release | 2026-10-05 | 2026-10-07 |
| Terms last updated | no date given | 2025-06-23 |
| Privacy policy last updated | no date given | 2026-01-06 |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 2.2k stars, 388 npm/wk | 181 stars, 289k npm/wk, 90k PyPI/wk |